Auramine dyes induce toxic effects to aquatic organisms from different trophic levels: an application of predicted non-effect concentration (PNEC).

Autor: de Jesus Azevedo CC; Faculdade de Tecnologia, Universidade Estadual de Campinas, UNICAMP, Limeira, SP, Brazil. carina_saneamento@yahoo.com.br., de Oliveira R; Faculdade de Tecnologia, Universidade Estadual de Campinas, UNICAMP, Limeira, SP, Brazil., Suares-Rocha P; Faculdade de Tecnologia, Universidade Estadual de Campinas, UNICAMP, Limeira, SP, Brazil., Sousa-Moura D; Instituto de Ciências Biológicas, Universidade de Brasília, UNB, Brasília, DF, Brazil., Li AT; Instituto de Ciências Biológicas, Universidade de Brasília, UNB, Brasília, DF, Brazil., Grisolia CK; Instituto de Ciências Biológicas, Universidade de Brasília, UNB, Brasília, DF, Brazil., de Aragão Umbuzeiro G; Faculdade de Tecnologia, Universidade Estadual de Campinas, UNICAMP, Limeira, SP, Brazil.; Faculdade de Ciências Farmacêuticas, Universidade de São Paulo, USP, Sau Paulo, SP, Brazil., Montagner CC; Faculdade de Tecnologia, Universidade Estadual de Campinas, UNICAMP, Limeira, SP, Brazil.; Instituto de Química, Universidade Estadual de Campinas, UNICAMP, Campinas, SP, Brazil.
Jazyk: angličtina
Zdroj: Environmental science and pollution research international [Environ Sci Pollut Res Int] 2021 Jan; Vol. 28 (2), pp. 1866-1877. Date of Electronic Publication: 2020 Aug 28.
DOI: 10.1007/s11356-020-10462-3
Abstrakt: The dyes Auramine and Auramine O are used in several industrial products, despite the scarce information regarding their ecotoxicity. The aim of the present study was to assess the acute and chronic toxicity of both dyes to aquatic organisms from different trophic levels (Raphidocelis subcapitata, Daphnia similis, Hydra attenuata, and Danio rerio) and calculate their predicted non-effect concentrations (PNEC). Auramine and Auramine O induced toxicity to all selected test organisms with L(E)C50 values ranging from 300 to 4800 ug/L. Both dyes induced inhibition in the growth rate of exposed algae, negatively affecting the reproduction of D. similis and induced deformities in H. attenuata (clubbed tentacles and shortened tentacles) and D. rerio (edemas, tail malformation and delay in yolk sac absorption). PNEC values of 0.92 μg/L and 4.0 μg/L were obtained for Auramine and Auramine O, respectively, based on results of the most sensitive test system (algae). Test results were analyzed using the Criteria of Reporting and Evaluating Ecotoxicity Data (CRED), confirming their reliability and relevance. Thus, PNEC values can be used in future risk assessments of those substances in freshwater systems.
Databáze: MEDLINE
Externí odkaz: